apparent solar time
51true time — apparent solar time; the time as shown by a sundial. * * * …
52apparent time — noun time as indicated by the actual position of the sun. Compare with mean solar time …
53Equation of time — The equation of time is the difference over the course of a year between time as read from a sundial and time as read from a clock, measured in an ideal situation (ie. in a location at the centre of a time zone, and which does not use daylight… …
54Solar car racing — refers to competitive races of electric vehicles which are powered by solar energy obtained from solar panels on the surface of the car (solar cars). The first solar car race was the Tour de Sol in 1985 which led to several similar races in… …
55Solar rotation — can vary because the sun is composed of a gaseous plasma, and therefore may lack a fixed rotation rate. The rate of rotation is observed to be fastest at the equator (latitude φ=0 deg), and to decrease as latitude increases. The rotation rate is… …
56Decimal time — French decimal clock from the time of the French Revolution Decimal time is the representation of the time of day using units which are decimally related. This term is often used to refer specifically to French Revolutionary Time, which divides… …
57Equation of time — Equation E*qua tion, n. [L. aequatio an equalizing: cf. F. [ e]quation equation. See {Equate}.] 1. A making equal; equal division; equality; equilibrium. [1913 Webster] Again the golden day resumed its right, And ruled in just equation with the… …
58true time — noun 1. : apparent time 2. : mean solar time * * * apparent solar time; the time as shown by a sundial. * * * true time noun The time according to the position of the sun, opp to mean time …
59sun time — noun : time by the sun : apparent time * * * sun time, = apparent solar time. (Cf. ↑apparent solar time) …
60equation of time — n. Astron. the constantly changing difference between the true sundial (apparent solar time) and mean solar time: the apparent solar time may be as much as 16 minutes ahead or behind: see ANALEMMA …
